Once again, the Yin-Yang Union.
Ye Chenfeng continuously poured his Soul Force into Wu Xiaofei's body, and then it flowed back into his own from her, cycling over and over. Ye Chenfeng felt the Soul Force within him becoming gradually more refined at an exceedingly slow pace. Unless one paid close attention, the subtle change was almost imperceptible.
Still, even such a minor change was enough to delight Ye Chenfeng. If this process were to continue over a long period, the purity of the Soul Force within him would definitely increase significantly.
After fully confirming that this method indeed worked to refine the purity of his Soul Force, Ye Chenfeng examined the Soul Force within Wu Xiaofei and found that it had risen only slightly.
